Prince William, 40, is the eldest son of King Charles III and the first in line to the British throne. There are many rules and royal protocols which he is expected to follow, especially because he holds a senior title
That being said, there have been a handful of occasions where William has broken the rules, from growing a beard in 2008 to taking a selfie with a member of the public in 2022
Prince William took a selfie with a member of the public outside the royal family's Sandringham Estate on September 15, 2022, following the death of Queen Elizabeth II